Spot on balls

ok i dont know if i need to be worried about this or not but their is this spot on my balls its like a little bump. Almost like ackmey but their not a lot just one little bump on their. So should i be worried? Is it like a cancer thing. I'm still very younge and got ackmey all over my face. Also i got it on my arms and a little bit on my legs if this info helps any.

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